The blood vessel which carries oxygenated blood to the liver.

Explanation

To answer the question regarding the blood vessel that carries oxygenated blood to the liver, we can follow these steps:

### Step-by-Step Solution:

1. **Identify the Organs Involved**: The question specifically asks about the liver, which is a vital organ in the body responsible for various functions including metabolism and detoxification.

2. **Understand Blood Supply to the Liver**: The liver receives blood from two main sources: the hepatic artery and the portal vein. It is important to differentiate between these two vessels.

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